<section>
  <fui-radio-group
    fuiRadioLinkGroup
    name="button"
    [(ngModel)]="button"
  >
    <fui-radio-item value="b1">btn 1</fui-radio-item>
    <fui-radio-item value="b2">btn 2</fui-radio-item>
    <fui-radio-item value="b3">btn 3</fui-radio-item>
  </fui-radio-group>
  <p>Active button: {{button}}</p>
</section>
